72428960

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 179144784

約数和(自身を除く): 106715824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 80, 82, 122, 160, 164, 181, 205, 244, 305, 328, 362, 410, 488, 610, 656, 724, 820, 905, 976, 1220, 1312, 1448, 1640, 1810, 1952, 2440, 2501, 2896, 3280, 3620, 4880, 5002, 5792, 6560, 7240, 7421, 9760, 10004, 11041, 12505, 14480, 14842, 20008, 22082, 25010, 28960, 29684, 37105, 40016, 44164, 50020, 55205, 59368, 74210, 80032, 88328, 100040, 110410, 118736, 148420, 176656, 200080, 220820, 237472, 296840, 353312, 400160, 441640, 452681, 593680, 883280, 905362, 1187360, 1766560, 1810724, 2263405, 3621448, 4526810, 7242896, 9053620, 14485792, 18107240, 36214480, 72428960]

約数ペア:

[(1, 72428960), (2, 36214480), (4, 18107240), (5, 14485792), (8, 9053620), (10, 7242896), (16, 4526810), (20, 3621448), (32, 2263405), (40, 1810724), (41, 1766560), (61, 1187360), (80, 905362), (82, 883280), (122, 593680), (160, 452681), (164, 441640), (181, 400160), (205, 353312), (244, 296840), (305, 237472), (328, 220820), (362, 200080), (410, 176656), (488, 148420), (610, 118736), (656, 110410), (724, 100040), (820, 88328), (905, 80032), (976, 74210), (1220, 59368), (1312, 55205), (1448, 50020), (1640, 44164), (1810, 40016), (1952, 37105), (2440, 29684), (2501, 28960), (2896, 25010), (3280, 22082), (3620, 20008), (4880, 14842), (5002, 14480), (5792, 12505), (6560, 11041), (7240, 10004), (7421, 9760)]